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Blackeagle · 11-03-2002, 02:15 PM

The Z series Iwaki MD20 draws .53 amps.

Now this may sound like foolish questions with all that has already been covered in this thread, but I'm sitll not sure on some points.

Would the running of a second or thrid block in series make the MD-30Z pump a better option than the 20? Or put a differant way perhaps, is the 3 Gpm for ideal performance after allowing for all restrictions of a given system? I'm a complete noob, if this is after restrictions how do I come up with a "ballpark" figure of pump performance that I'll need?

I'm willing to spend what is needed to get the right things, but tight on money enough to have a real need to get as close as I can to right the first time.

11-03-2002, 02:15 PM	#89
Blackeagle Thermophile Join Date: Oct 2002 Location: U.S.A = Michigan Posts: 1,243	The Z series Iwaki MD20 draws .53 amps. Now this may sound like foolish questions with all that has already been covered in this thread, but I'm sitll not sure on some points. Would the running of a second or thrid block in series make the MD-30Z pump a better option than the 20? Or put a differant way perhaps, is the 3 Gpm for ideal performance after allowing for all restrictions of a given system? I'm a complete noob, if this is after restrictions how do I come up with a "ballpark" figure of pump performance that I'll need? I'm willing to spend what is needed to get the right things, but tight on money enough to have a real need to get as close as I can to right the first time.